MTU 12 V 2000 M84 Operating Instructions Manual page 120

7.15.5 Engine coolant – Filling
Preconditions
☑Engine is stopped and starting disabled.
☑MTU Fluids and Lubricants Specifications (A001061/..) are available.
Special tools, Material, Spare parts
Designation / Use
Engine coolant
WARNING
Coolant is hot and under pressure.
Risk of injury and scalding!
• Let the engine cool down.
• Wear protective clothing, gloves, and goggles / safety mask.
NOTICE
Cold coolant in hot engine can cause thermal stress.
Possible formation of cracks in the engine!
• Fill / top up coolant only into cold engine.
Filling with engine coolant
1. Turn breather valve of coolant expansion tank (→ Page 34) counterclockwise until the first stop and al-
low pressure to escape.
2. Continue to turn breather valve counterclockwise and remove.
3. Pour coolant into engine until coolant level reaches bottom edge of cast-in eye of filler neck.
4. Check satisfactory condition of breather valve and clean sealing faces.
5. Place breather valve on filler neck and close.
6. Start the engine and operate it at idle speed for some minutes.
7. Check coolant level (→ Page 117).
120 | Task Description | MS150063/02E 2014-03
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